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Agilent Technologies 1680, 1690 manual 172

Models: 1690 1680

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Troubleshooting Specs Install Parts list To use the flowcharts Verify the test signal Dimension Possible problem with Accessories Set up the test equipment

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Chapter 8: Theory of Operation

Self-Tests Descriptions

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Agilent Technologies 1680, 1690 manual 172

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Contents

Agilent Technologies 1680/90-Series Logic Analyzer Features Agilent 1680/90-Series Logic Analyzer-At a Glance Service Strategy This Book Contents To test the multiple-clock state acquisition Troubleshooting Theory of Operation General Information Accessories Accessories Supplied Agilent Part Number Specifications CharacteristicsFull Channel Channel Count Probes Dimensions Recommended Test Equipment Equipment Required Preparing for Use Power Requirements To inspect the logic analyzer To apply power To connect the 1690A,AD-series logic analyzer to a host PC To start the user interface To clean the logic analyzerTo test the logic analyzer Testing Performance Test Interval Materials Required Description To make the test connectorsQty To make the test connectors To set up the test equipment and the logic analyzer Set up the test equipmentEquipment Required Critical Specifications Pulse Generator Setup Timebase Channel Trigger Oscilloscope Setup Acquisition Display Trigger Shift ∆ Time Set up the 1680A,AD-series logic analyzerChannel Define meas Set up the 1690A,AD-series logic analyzer To perform the logic analyzer self-tests Set the reporting level Click Close to close the Analysis System Self Tests dialog Set up the equipment To test the threshold accuracy Connect and configure the logic analyzer Test the ECL Threshold Test the 0 V User Threshold Test the next pod To set up the logic analyzer for the state mode tests To set up the logic analyzer for the state mode tests Click OK to close the Value dialog To set up the logic analyzer for the state mode tests To test the single-clock, single-edge, state acquisition Combinations Channel 2 Output Channel 1 Output Combination Channel 2 Output Verify the test signal Check the setup/hold combination Setup/Hold Combinations Test Sample Position Times Window To test the single-clock, single-edge, state acquisition Following clock configurations will be used in steps 4, 5, To test the single-clock, single-edge, state acquisition Following clock configurations will be used in steps 9, 10 To test the single-clock, single-edge, state acquisition Test the next channels 1680/81A,AD and 1690/91A,AD To test the multiple-clock state acquisition 1680A, AD or 1690A, AD only 1682A, AD or 1692A, AD only Verify the test signal 2.0 ns 4.50 ns +3.0 ns To test the multiple-clock state acquisition To test the multiple-clock state acquisition Enable the pulse generator channel 1 Comp with the LED on Test the next channels 1680/81A, AD and 1690/91A, AD Modify the following pulse generator settings To test the single-clock, multiple-edge, state acquisition 1680A,AD or 1690A,AD only Pod 2, channel 1682A,AD or 1692A,AD only Pod 1, channel Verify the test signal Check the setup/hold with single clock, multiple clock edges To test the single-clock, multiple-edge, state acquisition Following clock configurations will be used in steps 3, 4, To test the single-clock, multiple-edge, state acquisition Test the next channels 1680/81A,AD and 1690/91A,AD To test the time interval accuracy Function Generator Setup To test the time interval accuracy Acquire and verify the test data Click the Run icon to fill acquisition memory To test the time interval accuracy Test Settings Results Self-Tests Performance Test RecordThreshold Accuracy Edge Acquisition Performance Test Record Settings ResultsMultiple-Clock Multiple-Edge Acquisition Performance Test Record Settings Results Single-Clock Time Interval Performance Test Record Calibrating and Adjusting Logic analyzer calibration Troubleshooting To install the fan guard To use the flowcharts Troubleshooting the Agilent 1680A,AD-series Start Replace Power supply Are both instrument Yes Possible problem with LCD display, inverter, or cables Does the blue Uninstall, then reinstall Agilent Logic Analyzer application Possible problem with To check the power-up tests To test the power supply voltages Power Supply Voltages Pin Voltage To test the LCD display signals Equipment Required Critical Specification To test disk drive voltages Disk Drive Voltages Pin No Signal Disk Drive Voltages Pin Signals Pin No To verify the CD-ROM To recover the operating system To reinstall the operating system Problems with the Operating System Troubleshooting the Agilent 1690A,AD-series Yes Is the power cord Connected? Consult host PC Test pass? To verify connectivity Task Manager Device Manager 100 101 102 To run the self-tests General Troubleshooting103 104 105 Acquisition board status LEDs 106 To test the logic analyzer probe cables 107 108 109 To check the BNC Trigger input/output signals 110 On the DC source, enter a voltage setting of 3.000 111 To test the auxiliary power Digital Multimeter005% accuracy 112 Replacing Assemblies 113 1680A,AD-series disassembly/assembly Prepare the instrument for disassemblyTo remove the chassis from the sleeve 114 To remove the acquisition board 115 116 To remove the power supply 117 To remove the hard disk drive 118 To remove the CD-ROM drive assembly 119 To remove the flexible disk drive 120 121 To remove the PCI boards 122 To remove the motherboard 123 Transfer the I/O panel to the replacement board 124 125 To remove the front panel assembly 126 Reverse this procedure to install the front panel assembly 127 To disassemble the front panel assembly 128 To remove the distribution board 129 To remove the inverter board 130 To remove the fans 131 To remove the cable tray 132 1690A,AD-series disassembly/assembly 133 To remove the fascia 134 Remove the fascia away from the front panel 135 136 To remove the deck 137 138 139 To remove the line filter 140 To remove the front panel and front frame 141 142 Replaceable Parts 143 Replaceable Parts Ordering 144 See Also Replaceable Parts List145 Exploded View Agilent 1680A,AD-Series Replaceable Parts Replaceable Parts Ref. DesExchange Assemblies 147 0515-0372 148 149 150 Front Panel Assembly 151 152 Exploded View Agilent 1690A,AD-Series Replaceable Parts 154 155 156 Power Cables and Plug Configurations 157 158 Plug Type Cable Plug Description Length Color Country In/cm Theory of Operation 159 Agilent 1680A,AD-Series Logic Analyzer Block Diagram 160 Block-Level Theory Agilent 1680A,AD-series Logic Analyzer Theory 161 Power Supply Logic Acquisition Board Block DiagramAcquisition Board 162 163 164 Front Panel Board Power Distribution Board165 Agilent 1690A,AD-series Logic Analyzer Theory 166 Power-up Self-Tests 1680A,AD-series Self-Tests DescriptionsConnectivity Tests 1690A,AD-series 167 Acquisition Board Self Tests 168 Logic Analyzer Self-Tests 169 170 171 172 Manual Part Number Technology Licenses

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